Campbell Biology Plus Masteringbiology
10th Edition
ISBN: 9780321775849
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 24, Problem 5TYU
Which of the following factors would not contribute to allopatric
- (A) The separated population is small, and genctic drift occurs.
- (B) The isolated population is exposed to different selection pressures than the ancestral population.
- (C) Different mutations begin to distinguish the gene pools of the separated populations.
- (D) Gene flow between the two populations is extensive.
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In what theory of speciation do new species emerge within the geographic range of their ancestors?
If the two populations in question 2 are determined to still be the same species, did allopatric speciation occur?
Which of the following is not an event that can contribute to allopatric speciation?
a.
A mountain range forms and splits two populations into populations that begin to turn into new species.
b.
A subset of individuals disperse to a far away island and begin to turn into a new species.
c.
Two populations breed in the same location but at different times, and therefore begin to turn into two new species.
d.
A river splits a population into two populations and the two populations begin to diverge on either side of the river.
e.
All of these are potential contributors to allopatric speciation.
Chapter 24 Solutions
Campbell Biology Plus Masteringbiology
Ch. 24.1 - Prob. 1CCCh. 24.1 - WHAT IF? Suppose two bird species live in a...Ch. 24.2 - Summarize key differences between allopatric and...Ch. 24.2 - Prob. 2CCCh. 24.2 - WHAT IF? Is allopatric speciation more likely to...Ch. 24.2 - MAKE CONNECTIONS Review the process of meiosis in...Ch. 24.3 - 1. What are hybrid zones, and why can they be...Ch. 24.3 - WHAT IF? Consider two species that diverged while...Ch. 24.4 - Speciation can occur rapidly between diverging...Ch. 24.4 - Prob. 2CC
Ch. 24.4 - Prob. 3CCCh. 24 - Explain the role of gene flow in the biological...Ch. 24 - Can factors that cause sympatric speciation also...Ch. 24 - What factors can support the long-term stability...Ch. 24 - Is speciation something that happened only in the...Ch. 24 - The largest unit within which gene flow can...Ch. 24 - Prob. 2TYUCh. 24 - Prob. 3TYUCh. 24 - Prob. 4TYUCh. 24 - Which of the following factors would not...Ch. 24 - Plant species A has a diploid chromosome number of...Ch. 24 - Prob. 7TYUCh. 24 - SCIENTIFIC INQUIRY DRAW IT In this chapter, you...Ch. 24 - Prob. 9TYUCh. 24 - Prob. 10TYUCh. 24 - WRITE ABOUT A THEME: INFORMATION In sexually...Ch. 24 - Prob. 12TYU
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- Is this a case where allopatric speciation might be completed to two biological species by natural selection for increased prezygotic isolation? Why or why not?arrow_forwardIf a geographic barrier is removed and the two reunited populations intermingle and breed, what attributes must the offspring have in order for the two populations, according to the biological species concept, to be considered still the same species?arrow_forwardWhat role does genetic drift play in allopatric speciation?arrow_forward
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